Very many thanks to all who have taken the trouble to reply. I'm thinking that we'll go for a long weekend, arranging our own trips with a car to start with. If we like it we can always go back for a longer trip another time.
I was just thinking the same thing! I was considering showing her this thread as a research resource for a basis of discussion. I may have to delete some posts before I do - sorry in advance.
My gf and I are considering a week in Iceland in Nov - northern lights, blue lagoon, yada, yada.
Thing is, I can't really think of anything to replace "yada, yada" with and I was shocked at the prices of everything other than the flight (average airbnb price is £115, food looks dear etc). It's...